<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="utf-8">
	<meta http-equiv="X-UA-Compatible" content="IE=edge">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>Document</title>
</head>
<body>
	<script src="js/vue.js"></script>
	<!-- v-once 作用只渲染一次 -->
	<!-- v-pre 取消渲染 -->
	<!-- v-text 指令 -->
	<div id="app" v-pre>
		{{message}}
		<p>{{message}}</p>
		<p v-text="message"></p>
	</div>
	
	<script>
		let app = new Vue({
			el:"#app",
			data:{
				message:"hello world"
			}
		})
	</body>
</html>
